📅  最后修改于: 2022-03-11 14:52:51.699000             🧑  作者: Mango
If your computer's system prefs are set to use a 24-hour clock, the browser will render the element as --:-- (time range: 00:00–23:59). If you change your computer's syst prefs to use 12-hour, the output won't change until you quit and relaunch the browser.